Home / 5,447.69-7,515.56-3,558.62

Finding the Fourth Proportional to 5,447.69, 7,515.56 and 3,558.62

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Solution

The fourth proportional to 5,447.69, 7,515.56 and 3,558.62 is: 4,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.69 : 7,515.56 = 3,558.62 : x
  2. Step 2: Convert to fraction form
    5,447.69/7,515.56 = 3,558.62/x
  3. Step 3: Cross multiply
    5,447.69x = 7,515.56 × 3,558.62
  4. Step 4: Simplify right side
    5,447.69x = 26,744,966.76
  5. Step 5: Solve for x
    x = 26,744,966.76/5,447.69
  6. Step 6: Final answer
    x = 4,909.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.